Home / 1,618,909.34-2,427,940.83-481,365.18

Finding the Fourth Proportional to 1,618,909.34, 2,427,940.83 and 481,365.18

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Solution

The fourth proportional to 1,618,909.34, 2,427,940.83 and 481,365.18 is: 721,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,909.34 : 2,427,940.83 = 481,365.18 : x
  2. Step 2: Convert to fraction form
    1,618,909.34/2,427,940.83 = 481,365.18/x
  3. Step 3: Cross multiply
    1,618,909.34x = 2,427,940.83 × 481,365.18
  4. Step 4: Simplify right side
    1,618,909.34x = 1,168,726,174,662.30
  5. Step 5: Solve for x
    x = 1,168,726,174,662.30/1,618,909.34
  6. Step 6: Final answer
    x = 721,921.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.